WO2011142603A3 - 영상의 필터링 방법 및 장치와 그를 이용한 부호화/복호화를 위한 방법 및 장치 - Google Patents

영상의 필터링 방법 및 장치와 그를 이용한 부호화/복호화를 위한 방법 및 장치 Download PDF

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WO2011142603A3
WO2011142603A3 PCT/KR2011/003507 KR2011003507W WO2011142603A3 WO 2011142603 A3 WO2011142603 A3 WO 2011142603A3 KR 2011003507 W KR2011003507 W KR 2011003507W WO 2011142603 A3 WO2011142603 A3 WO 2011142603A3
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image
filtering
encoding
same
decoding method
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PCT/KR2011/003507
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WO2011142603A2 (ko
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송진한
임정연
이영렬
문주희
김해광
전병우
한종기
김대연
홍성욱
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에스케이텔레콤 주식회사
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Application filed by 에스케이텔레콤 주식회사 filed Critical 에스케이텔레콤 주식회사
Priority to EP11780820.4A priority Critical patent/EP2571269B2/en
Priority to PL11780820T priority patent/PL2571269T5/pl
Priority to US13/697,520 priority patent/US9532065B2/en
Priority to ES11780820T priority patent/ES2612906T5/es
Priority to CN201180034374.XA priority patent/CN102986219B/zh
Publication of WO2011142603A2 publication Critical patent/WO2011142603A2/ko
Publication of WO2011142603A3 publication Critical patent/WO2011142603A3/ko
Priority to US14/693,813 priority patent/US9479791B2/en
Priority to US15/361,494 priority patent/US9787988B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • H04N19/865—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness with detection of the former encoding block subdivision in decompressed video

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

본 발명은 영상의 필터링 방법 및 장치와 그를 이용한 부호화/복호화를 위한 방법 및 장치에 관한 것이다. 본 발명에 따른 실시예는, 영상에 포함된 두 변환 블록들 간의 경계를 식별하는 경계식별부; 상기 두 변환 블록들 중 적어도 하나의 변환 블록의 크기에 따라 필터링 될 화소를 선택하는 화소 및 강도 선택부; 및 상기 경계에 접하는 영역에 속하는 적어도 하나의 화소를 필터링하는 필터링 수행부를 포함하는 것을 특징으로 하는 영상의 필터링 장치 및 방법, 그를 이용한 부호화/복호화를 위한 방법 및 그 장치를 제공한다.
PCT/KR2011/003507 2010-05-12 2011-05-12 영상의 필터링 방법 및 장치와 그를 이용한 부호화/복호화를 위한 방법 및 장치 WO2011142603A2 (ko)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP11780820.4A EP2571269B2 (en) 2010-05-12 2011-05-12 Image-filtering method and apparatus, and encoding/decoding method and apparatus using same
PL11780820T PL2571269T5 (pl) 2010-05-12 2011-05-12 Sposób i urządzenie do filtrowania obrazów oraz sposób i urządzenie do kodowania/dekodowania z ich zastosowaniem
US13/697,520 US9532065B2 (en) 2010-05-12 2011-05-12 Image-filtering method and apparatus, and encoding/decoding method and apparatus using same
ES11780820T ES2612906T5 (es) 2010-05-12 2011-05-12 Método y aparato de filtrado de imágenes y método y aparato para codificación y decodificación de vídeo que los utilizan
CN201180034374.XA CN102986219B (zh) 2010-05-12 2011-05-12 图像滤波方法和设备以及使用其的视频编码/解码方法和设备
US14/693,813 US9479791B2 (en) 2010-05-12 2015-04-22 Image-filtering method and apparatus, and encoding/decoding method and apparatus using same
US15/361,494 US9787988B2 (en) 2010-05-12 2016-11-28 Image-filtering method and apparatus, and encoding/decoding method and apparatus using same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20100044687 2010-05-12
KR10-2010-0044687 2010-05-12
KR1020100047302A KR20110125153A (ko) 2010-05-12 2010-05-20 영상의 필터링 방법 및 장치와 그를 이용한 부호화/복호화를 위한 방법 및 장치
KR10-2010-0047302 2010-05-20

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US13/697,520 A-371-Of-International US9532065B2 (en) 2010-05-12 2011-05-12 Image-filtering method and apparatus, and encoding/decoding method and apparatus using same
US14/693,813 Continuation US9479791B2 (en) 2010-05-12 2015-04-22 Image-filtering method and apparatus, and encoding/decoding method and apparatus using same
US15/361,494 Continuation US9787988B2 (en) 2010-05-12 2016-11-28 Image-filtering method and apparatus, and encoding/decoding method and apparatus using same

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WO2011142603A2 WO2011142603A2 (ko) 2011-11-17
WO2011142603A3 true WO2011142603A3 (ko) 2012-04-19

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US (3) US9532065B2 (ko)
EP (3) EP3119091B1 (ko)
KR (3) KR20110125153A (ko)
CN (2) CN102986219B (ko)
ES (3) ES2612906T5 (ko)
HU (3) HUE035559T2 (ko)
PL (3) PL3119091T3 (ko)
WO (1) WO2011142603A2 (ko)

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EP2571269B2 (en) 2019-09-25
US9787988B2 (en) 2017-10-10
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EP2571269B1 (en) 2016-11-02
PL3119091T3 (pl) 2018-05-30
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CN102986219B (zh) 2016-01-27
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ES2612906T3 (es) 2017-05-19
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ES2655827T3 (es) 2018-02-21
KR20150095232A (ko) 2015-08-20
US20150229939A1 (en) 2015-08-13
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